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PHP Operators and Expressions

PHP Operators and Expressions
In PHP the integer 45 is stored exactly as 45. The floating point number 46.3 could be stored as.

46.3
46
none of above
46.2999999

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PHP Operators and Expressions
The result of both the below expressions in PHP will be same:1) 3+4*22) (3+4)*2

TRUE
FALSE

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PHP Operators and Expressions
What will be the output of the following PHP code ?
$color1 = "1";
$color2 = "1";
echo "$color1" + "$color2";

11
2
1
0

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PHP Operators and Expressions
What will be the output of the following PHP code ?
$i = 0;
while (++$i && --$i) {
print $i;
}

error
01234567891011121314…infinitely
1234567891011121314….infinitely
no output

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PHP Operators and Expressions
What will be the output of the following PHP code ?
$var1 = 3;
print $var = ++$var;

1
2
3
0

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PHP Operators and Expressions
What will be the output of the following PHP code ?
$x = 5;
$y = 10;
function fun() {
$y = $GLOBALS['x'] + $GLOBALS['y'];
}
fun();
echo $y;

15
Error
10
5

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